The GOP debate last night on CNN, moderated by John King, drew 4.734 million Total Viewers and 1.358 million A25-54 viewers, according to Nielsen final data. The Mesa, Arizona face-off was the least-watched debate on CNN since November and the 13th-ranked of the 19 debates measured by Nielsen.

As this is likely the final primary debate, ABC will come out the winner for having the most-watched debate of this GOP cycle in December. NBC had the most-watched in younger viewers last month. and Fox News’s debate on Dec. 15 was the most-watched debate on cable.